How Much Protein Is in an Egg? White vs. Yolk

A large egg contains about 6.3 grams of protein. That covers roughly 11% to 14% of the daily protein recommendation for most adults, depending on sex and age. For such a small, inexpensive food, eggs pack a surprisingly efficient protein punch.

Protein in the White vs. the Yolk

Most people assume the egg white holds nearly all the protein, but the split is closer than you’d think. Of the 6.3 grams in a large egg, about 3.6 grams come from the white and 2.7 grams come from the yolk. That means the yolk delivers roughly 43% of the egg’s total protein.

If you’re tossing yolks to “get more protein,” you’re actually losing almost half of it. The white does have a better protein-to-calorie ratio since the yolk carries most of the fat, but from a pure protein standpoint, the whole egg is the better deal.

How Egg Size Changes the Numbers

The 6.3-gram figure applies to a large egg, which is what most recipes and nutrition labels use as the standard. Egg sizes are based on weight per dozen, and protein scales accordingly. A small egg has closer to 4.8 grams of protein, while a jumbo egg can push past 7.9 grams. If you’re buying extra-large eggs at the store, expect about 7 grams each.

For most practical purposes, counting 6 grams per large egg is a reliable shorthand. Two eggs at breakfast gives you around 12 to 13 grams, and a three-egg omelet lands near 19 grams.

Cooked Eggs vs. Raw Eggs

Cooking doesn’t just make eggs safer to eat. It dramatically changes how much protein your body actually absorbs. Protein digestion from raw eggs is around 40% lower than from cooked eggs. Heat unfolds the tightly wound protein structures in the egg, making them far easier for your digestive enzymes to break apart.

So while a raw egg and a scrambled egg contain the same amount of protein on paper, your body extracts significantly more from the cooked version. This is one reason why the old bodybuilder habit of cracking raw eggs into a glass is a poor strategy. You’re leaving a large share of that protein undigested.

What Makes Egg Protein High Quality

Not all protein sources are equal. Your body needs specific building blocks called amino acids, and egg protein delivers all nine essential ones in proportions that closely match what human muscle tissue needs. Eggs have long been used as the reference standard for measuring protein quality in other foods.

One amino acid worth noting is leucine, which plays a central role in triggering muscle repair and growth after exercise. A single large egg provides about 0.54 grams of leucine. That’s a meaningful contribution, especially when combined with other protein sources throughout the day. For context, research suggests that roughly 2 to 3 grams of leucine per meal is the threshold for maximizing muscle protein synthesis, so two or three eggs get you a solid portion of the way there.

How Eggs Compare to Other Protein Sources

Eggs are convenient and affordable, but they’re not the most protein-dense food by weight. Here’s how they stack up against a few common alternatives:

  • One large egg: 6.3 grams of protein
  • Greek yogurt (5.5-ounce container): 16.1 grams
  • Tofu (1 cup): 17.8 grams
  • Chicken breast (3.5 ounces): 22.5 grams

The comparison looks less favorable for eggs until you consider cost and preparation time. Eggs require almost no prep, cost a fraction of chicken breast per serving, and work in meals from breakfast through dinner. They’re also one of the few whole foods that deliver complete protein in a single ingredient, making them especially useful for vegetarians who eat animal products.

How Many Eggs to Hit Your Daily Target

The recommended daily protein intake for adults is 46 grams for women and 56 grams for men. Nobody needs to get all of that from eggs alone, but it helps to know the math. Six large eggs would give you about 38 grams of protein, covering roughly 68% to 83% of the daily recommendation depending on your needs.

In practice, eggs work best as one protein source among several. A two-egg breakfast gets you started with about 12.6 grams, and the rest fills in easily with meals throughout the day. If you’re physically active or trying to build muscle, your protein needs may be higher than the baseline recommendation, often in the range of 1.2 to 2.0 grams per kilogram of body weight. In that case, eggs remain a solid contributor but you’ll want to pair them with other high-protein foods at most meals.